By Brian Hiatt In the excellent sequel Ready or Not 2: Here I Come (March 20), the original film’s horror-comedy world gets a major expansion — including Elijah Wood‘s arrival as the Lawyer, who oversees a blood-soaked game among the world’s most powerful families. Wood sat down at the Rolling Stone Studio, live at SXSW, to discuss the film, his long career, and — in his most detailed comments yet on the subject — his “potential” (but seemingly likely) return as Frodo in The Hunt for Gollum, Andy Serkis‘ upcoming Lord of the Rings prequel. Wood made it clear that Frodo’s (potential) role would be small, reflected on the idea of CGI turning him back into his teenage self, and elaborated on why he wouldn’t want anyone else to play the character as long as he’s alive and able. The Lawyer (whose client is, more or less, Satan) is only the latest in a long series of the very un-Frodo roles Wood has taken on, from a serial killer in Sin City to a conspiracy-obsessed oddball on Yellowjackets.…